#include "Runtime/Input/CFinalInput.hpp"

#include <zeus/Math.hpp>

namespace metaforce {

CFinalInput::CFinalInput() = default;

// CFinalInput::CFinalInput(int cIdx, float dt, const boo::DolphinControllerState& data, const CFinalInput& prevInput,
//                          float leftDiv, float rightDiv)
//: x0_dt(dt)
//, x4_controllerIdx(cIdx)
//, x8_anaLeftX(zeus::clamp(-1.0f, data.m_leftStick[0] / 72.0f / leftDiv, 1.0f))
//, xc_anaLeftY(zeus::clamp(-1.0f, data.m_leftStick[1] / 72.0f / leftDiv, 1.0f))
//, x10_anaRightX(zeus::clamp(-1.0f, data.m_rightStick[0] / 59.0f / rightDiv, 1.0f))
//, x14_anaRightY(zeus::clamp(-1.0f, data.m_rightStick[1] / 59.0f / rightDiv, 1.0f))
//, x18_anaLeftTrigger(data.m_analogTriggers[0] * 0.007f)
//, x1c_anaRightTrigger(data.m_analogTriggers[1] * 0.007f)
//, x20_enableAnaLeftXP(DLARight() && !prevInput.DLARight())
//, x20_enableAnaLeftNegXP(DLALeft() && !prevInput.DLALeft())
//, x21_enableAnaLeftYP(DLAUp() && !prevInput.DLAUp())
//, x21_enableAnaLeftNegYP(DLADown() && !prevInput.DLADown())
//, x22_enableAnaRightXP(DRARight() && !prevInput.DRARight())
//, x22_enableAnaRightNegXP(DRALeft() && !prevInput.DRALeft())
//, x23_enableAnaRightYP(DRAUp() && !prevInput.DRAUp())
//, x23_enableAnaRightNegYP(DRADown() && !prevInput.DRADown())
//, x24_anaLeftTriggerP(DLTrigger() && !prevInput.DLTrigger())
//, x28_anaRightTriggerP(DRTrigger() && !prevInput.DRTrigger())
//, x2c_b24_A(data.m_btns & uint16_t(boo::EDolphinControllerButtons::A))
//, x2c_b25_B(data.m_btns & uint16_t(boo::EDolphinControllerButtons::B))
//, x2c_b26_X(data.m_btns & uint16_t(boo::EDolphinControllerButtons::X))
//, x2c_b27_Y(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Y))
//, x2c_b28_Z(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Z))
//, x2c_b29_L(data.m_btns & uint16_t(boo::EDolphinControllerButtons::L))
//, x2c_b30_R(data.m_btns & uint16_t(boo::EDolphinControllerButtons::R))
//, x2c_b31_DPUp(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Up))
//, x2d_b24_DPRight(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Right))
//, x2d_b25_DPDown(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Down))
//, x2d_b26_DPLeft(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Left))
//, x2d_b27_Start(data.m_btns & uint16_t(boo::EDolphinControllerButtons::Start))
//, x2d_b28_PA(DA() && !prevInput.DA())
//, x2d_b29_PB(DB() && !prevInput.DB())
//, x2d_b30_PX(DX() && !prevInput.DX())
//, x2d_b31_PY(DY() && !prevInput.DY())
//, x2e_b24_PZ(DZ() && !prevInput.DZ())
//, x2e_b25_PL(DL() && !prevInput.DL())
//, x2e_b26_PR(DR() && !prevInput.DR())
//, x2e_b27_PDPUp(DDPUp() && !prevInput.DDPUp())
//, x2e_b28_PDPRight(DDPRight() && !prevInput.DDPRight())
//, x2e_b29_PDPDown(DDPDown() && !prevInput.DDPDown())
//, x2e_b30_PDPLeft(DDPLeft() && !prevInput.DDPLeft())
//, x2e_b31_PStart(DStart() && !prevInput.DStart()) {}

CFinalInput::CFinalInput(int cIdx, float dt, const SAuroraControllerState& data, const CFinalInput& prevInput,
                         float leftDiv, float rightDiv)
: x0_dt(dt)
, x4_controllerIdx(cIdx)
, x8_anaLeftX(zeus::clamp(-1.0f, data.m_axes[size_t(aurora::ControllerAxis::LeftX)] / 72.0f / leftDiv, 1.0f))
, xc_anaLeftY(zeus::clamp(-1.0f, data.m_axes[size_t(aurora::ControllerAxis::LeftY)] / 72.0f / leftDiv, 1.0f))
, x10_anaRightX(zeus::clamp(-1.0f, data.m_axes[size_t(aurora::ControllerAxis::RightX)] / 59.0f / rightDiv, 1.0f))
, x14_anaRightY(zeus::clamp(-1.0f, data.m_axes[size_t(aurora::ControllerAxis::RightY)] / 59.0f / rightDiv, 1.0f))
, x18_anaLeftTrigger(data.m_axes[size_t(aurora::ControllerAxis::TriggerLeft)] * 0.007f)
, x1c_anaRightTrigger(data.m_axes[size_t(aurora::ControllerAxis::TriggerRight)] * 0.007f)
, x20_enableAnaLeftXP(DLARight() && !prevInput.DLARight())
, x20_enableAnaLeftNegXP(DLALeft() && !prevInput.DLALeft())
, x21_enableAnaLeftYP(DLAUp() && !prevInput.DLAUp())
, x21_enableAnaLeftNegYP(DLADown() && !prevInput.DLADown())
, x22_enableAnaRightXP(DRARight() && !prevInput.DRARight())
, x22_enableAnaRightNegXP(DRALeft() && !prevInput.DRALeft())
, x23_enableAnaRightYP(DRAUp() && !prevInput.DRAUp())
, x23_enableAnaRightNegYP(DRADown() && !prevInput.DRADown())
, x24_anaLeftTriggerP(DLTrigger() && !prevInput.DLTrigger())
, x28_anaRightTriggerP(DRTrigger() && !prevInput.DRTrigger())
, x2c_b24_A(data.m_btns[size_t(aurora::ControllerButton::A)])
, x2c_b25_B(data.m_btns[size_t(aurora::ControllerButton::B)])
, x2c_b26_X(data.m_btns[size_t(aurora::ControllerButton::X)])
, x2c_b27_Y(data.m_btns[size_t(aurora::ControllerButton::Y)])
, x2c_b28_Z(data.m_btns[size_t(aurora::ControllerButton::Back)])
, x2c_b29_L(data.m_btns[size_t(aurora::ControllerButton::LeftShoulder)])
, x2c_b30_R(data.m_btns[size_t(aurora::ControllerButton::RightShoulder)])
, x2c_b31_DPUp(data.m_btns[size_t(aurora::ControllerButton::DPadUp)])
, x2d_b24_DPRight(data.m_btns[size_t(aurora::ControllerButton::DPadRight)])
, x2d_b25_DPDown(data.m_btns[size_t(aurora::ControllerButton::DPadDown)])
, x2d_b26_DPLeft(data.m_btns[size_t(aurora::ControllerButton::DPadLeft)])
, x2d_b27_Start(data.m_btns[size_t(aurora::ControllerButton::Start)])
, x2d_b28_PA(DA() && !prevInput.DA())
, x2d_b29_PB(DB() && !prevInput.DB())
, x2d_b30_PX(DX() && !prevInput.DX())
, x2d_b31_PY(DY() && !prevInput.DY())
, x2e_b24_PZ(DZ() && !prevInput.DZ())
, x2e_b25_PL(DL() && !prevInput.DL())
, x2e_b26_PR(DR() && !prevInput.DR())
, x2e_b27_PDPUp(DDPUp() && !prevInput.DDPUp())
, x2e_b28_PDPRight(DDPRight() && !prevInput.DDPRight())
, x2e_b29_PDPDown(DDPDown() && !prevInput.DDPDown())
, x2e_b30_PDPLeft(DDPLeft() && !prevInput.DDPLeft())
, x2e_b31_PStart(DStart() && !prevInput.DStart())
, m_which(data.m_which){
  if (!data.m_isGamecube) {
    if (x2c_b29_L && x18_anaLeftTrigger <= 0.f) {
      x18_anaLeftTrigger = 150.f * 0.007f;
    }
    if (x2c_b30_R && x1c_anaRightTrigger <= 0.f) {
      x1c_anaRightTrigger = 150.f * 0.007f;
    }

    if (x18_anaLeftTrigger >= (150.f * 0.007f) && !x2c_b29_L) {
      x2c_b29_L = true;
    }
    if (x1c_anaRightTrigger >= (150.f * 0.007f) && !x2c_b30_R) {
      x2c_b30_R = true;
    }
  }
}

CFinalInput::CFinalInput(int cIdx, float dt, const CKeyboardMouseControllerData& data, const CFinalInput& prevInput)
: x0_dt(dt)
, x4_controllerIdx(cIdx)
, x18_anaLeftTrigger(false)
, x1c_anaRightTrigger(false)
, x20_enableAnaLeftXP(DLARight() && !prevInput.DLARight())
, x20_enableAnaLeftNegXP(DLALeft() && !prevInput.DLALeft())
, x21_enableAnaLeftYP(DLAUp() && !prevInput.DLAUp())
, x21_enableAnaLeftNegYP(DLADown() && !prevInput.DLADown())
, x22_enableAnaRightXP(DRARight() && !prevInput.DRARight())
, x22_enableAnaRightNegXP(DRALeft() && !prevInput.DRALeft())
, x23_enableAnaRightYP(DRAUp() && !prevInput.DRAUp())
, x23_enableAnaRightNegYP(DRADown() && !prevInput.DRADown())
, x24_anaLeftTriggerP(DLTrigger() && !prevInput.DLTrigger())
, x28_anaRightTriggerP(DRTrigger() && !prevInput.DRTrigger())
, x2c_b31_DPUp(data.m_specialKeys[size_t(aurora::SpecialKey::Up)])
, x2d_b24_DPRight(data.m_specialKeys[size_t(aurora::SpecialKey::Right)])
, x2d_b25_DPDown(data.m_specialKeys[size_t(aurora::SpecialKey::Down)])
, x2d_b26_DPLeft(data.m_specialKeys[size_t(aurora::SpecialKey::Left)])
, x2d_b28_PA(DA() && !prevInput.DA())
, x2d_b29_PB(DB() && !prevInput.DB())
, x2d_b30_PX(DX() && !prevInput.DX())
, x2d_b31_PY(DY() && !prevInput.DY())
, x2e_b24_PZ(DZ() && !prevInput.DZ())
, x2e_b25_PL(DL() && !prevInput.DL())
, x2e_b26_PR(DR() && !prevInput.DR())
, x2e_b27_PDPUp(DDPUp() && !prevInput.DDPUp())
, x2e_b28_PDPRight(DDPRight() && !prevInput.DDPRight())
, x2e_b29_PDPDown(DDPDown() && !prevInput.DDPDown())
, x2e_b30_PDPLeft(DDPLeft() && !prevInput.DDPLeft())
, x2e_b31_PStart(DStart() && !prevInput.DStart())
, m_kbm(data) {
  if (prevInput.m_kbm) {
    for (size_t i = 0; i < m_PCharKeys.size(); ++i) {
      m_PCharKeys[i] = data.m_charKeys[i] && !prevInput.m_kbm->m_charKeys[i];
    }
    for (size_t i = 0; i < m_PSpecialKeys.size(); ++i) {
      m_PSpecialKeys[i] = data.m_specialKeys[i] && !prevInput.m_kbm->m_specialKeys[i];
    }
    for (size_t i = 0; i < m_PMouseButtons.size(); ++i) {
      m_PMouseButtons[i] = data.m_mouseButtons[i] && !prevInput.m_kbm->m_mouseButtons[i];
    }
  }
}

CFinalInput& CFinalInput::operator|=(const CFinalInput& other) {
  if (std::fabs(other.x8_anaLeftX) > std::fabs(x8_anaLeftX))
    x8_anaLeftX = other.x8_anaLeftX;
  if (std::fabs(other.xc_anaLeftY) > std::fabs(xc_anaLeftY))
    xc_anaLeftY = other.xc_anaLeftY;
  if (std::fabs(other.x10_anaRightX) > std::fabs(x10_anaRightX))
    x10_anaRightX = other.x10_anaRightX;
  if (std::fabs(other.x14_anaRightY) > std::fabs(x14_anaRightY))
    x14_anaRightY = other.x14_anaRightY;
  if (std::fabs(other.x18_anaLeftTrigger) > std::fabs(x18_anaLeftTrigger))
    x18_anaLeftTrigger = other.x18_anaLeftTrigger;
  if (std::fabs(other.x1c_anaRightTrigger) > std::fabs(x1c_anaRightTrigger))
    x1c_anaRightTrigger = other.x1c_anaRightTrigger;
  x20_enableAnaLeftXP |= other.x20_enableAnaLeftXP;
  x20_enableAnaLeftNegXP |= other.x20_enableAnaLeftNegXP;
  x21_enableAnaLeftYP |= other.x21_enableAnaLeftYP;
  x21_enableAnaLeftNegYP |= other.x21_enableAnaLeftNegYP;
  x22_enableAnaRightXP |= other.x22_enableAnaRightXP;
  x22_enableAnaRightNegXP |= other.x22_enableAnaRightNegXP;
  x23_enableAnaRightYP |= other.x23_enableAnaRightYP;
  x23_enableAnaRightNegYP |= other.x23_enableAnaRightNegYP;
  x24_anaLeftTriggerP |= other.x24_anaLeftTriggerP;
  x28_anaRightTriggerP |= other.x28_anaRightTriggerP;
  x2c_b24_A |= other.x2c_b24_A;
  x2c_b25_B |= other.x2c_b25_B;
  x2c_b26_X |= other.x2c_b26_X;
  x2c_b27_Y |= other.x2c_b27_Y;
  x2c_b28_Z |= other.x2c_b28_Z;
  x2c_b29_L |= other.x2c_b29_L;
  x2c_b30_R |= other.x2c_b30_R;
  x2c_b31_DPUp |= other.x2c_b31_DPUp;
  x2d_b24_DPRight |= other.x2d_b24_DPRight;
  x2d_b25_DPDown |= other.x2d_b25_DPDown;
  x2d_b26_DPLeft |= other.x2d_b26_DPLeft;
  x2d_b27_Start |= other.x2d_b27_Start;
  x2d_b28_PA |= other.x2d_b28_PA;
  x2d_b29_PB |= other.x2d_b29_PB;
  x2d_b30_PX |= other.x2d_b30_PX;
  x2d_b31_PY |= other.x2d_b31_PY;
  x2e_b24_PZ |= other.x2e_b24_PZ;
  x2e_b25_PL |= other.x2e_b25_PL;
  x2e_b26_PR |= other.x2e_b26_PR;
  x2e_b27_PDPUp |= other.x2e_b27_PDPUp;
  x2e_b28_PDPRight |= other.x2e_b28_PDPRight;
  x2e_b29_PDPDown |= other.x2e_b29_PDPDown;
  x2e_b30_PDPLeft |= other.x2e_b30_PDPLeft;
  x2e_b31_PStart |= other.x2e_b31_PStart;
  if (other.m_kbm) {
    m_kbm = other.m_kbm;
    m_PCharKeys = other.m_PCharKeys;
    m_PSpecialKeys = other.m_PSpecialKeys;
    m_PMouseButtons = other.m_PMouseButtons;
  }
  m_which = other.m_which;
  return *this;
}

CFinalInput CFinalInput::ScaleAnalogueSticks(float leftDiv, float rightDiv) const {
  CFinalInput ret = *this;
  ret.x8_anaLeftX = zeus::clamp(-1.f, x8_anaLeftX / leftDiv, 1.f);
  ret.xc_anaLeftY = zeus::clamp(-1.f, xc_anaLeftY / leftDiv, 1.f);
  ret.x10_anaRightX = zeus::clamp(-1.f, x10_anaRightX / rightDiv, 1.f);
  ret.x14_anaRightY = zeus::clamp(-1.f, x14_anaRightY / rightDiv, 1.f);
  ret.m_leftMul = 1.f / leftDiv;
  ret.m_rightMul = 1.f / rightDiv;
  return ret;
}

/* The following code is derived from pad.c in libogc
 *
 *  Copyright (C) 2004 - 2009
 *  Michael Wiedenbauer (shagkur)
 *  Dave Murphy (WinterMute)
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any
 * damages arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any
 * purpose, including commercial applications, and to alter it and
 * redistribute it freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you
 *    must not claim that you wrote the original software. If you use
 *    this software in a product, an acknowledgment in the product
 *    documentation would be appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and
 *    must not be misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source
 *    distribution.
 */

constexpr std::array<int16_t, 8> pad_clampregion{
    30, 180, 15, 72, 40, 15, 59, 31,
};

static void pad_clampstick(int16_t& px, int16_t& py, int16_t max, int16_t xy, int16_t min) {
  int x = px;
  int y = py;

  int signX;
  if (x > 0) {
    signX = 1;
  } else {
    signX = -1;
    x = -x;
  }

  int signY;
  if (y > 0) {
    signY = 1;
  } else {
    signY = -1;
    y = -y;
  }

  if (x <= min) {
    x = 0;
  } else {
    x -= min;
  }

  if (y <= min) {
    y = 0;
  } else {
    y -= min;
  }

  if (x == 0 && y == 0) {
    px = py = 0;
    return;
  }

  if (xy * y <= xy * x) {
    const int d = xy * x + (max - xy) * y;
    if (xy * max < d) {
      x = int16_t(xy * max * x / d);
      y = int16_t(xy * max * y / d);
    }
  } else {
    const int d = xy * y + (max - xy) * x;
    if (xy * max < d) {
      x = int16_t(xy * max * x / d);
      y = int16_t(xy * max * y / d);
    }
  }

  px = int16_t(signX * x);
  py = int16_t(signY * y);
}

static void pad_clamptrigger(int16_t& trigger) {
  const int16_t min = pad_clampregion[0];
  const int16_t max = pad_clampregion[1];

  if (trigger <= min) {
    trigger = 0;
  } else {
    if (max < trigger) {
      trigger = max;
    }
    trigger -= min;
  }
}

void SAuroraControllerState::clamp() {
  pad_clampstick(m_axes[size_t(aurora::ControllerAxis::LeftX)], m_axes[size_t(aurora::ControllerAxis::LeftY)],
                 pad_clampregion[3], pad_clampregion[4], pad_clampregion[2]);
  pad_clampstick(m_axes[size_t(aurora::ControllerAxis::RightX)], m_axes[size_t(aurora::ControllerAxis::RightY)],
                 pad_clampregion[6], pad_clampregion[7], pad_clampregion[5]);
  pad_clamptrigger(m_axes[size_t(aurora::ControllerAxis::TriggerLeft)]);
  pad_clamptrigger(m_axes[size_t(aurora::ControllerAxis::TriggerRight)]);
}
} // namespace metaforce